Home / 1,103,128.20-1,654,495.02-293,517

Finding the Fourth Proportional to 1,103,128.20, 1,654,495.02 and 293,517

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Solution

The fourth proportional to 1,103,128.20, 1,654,495.02 and 293,517 is: 440,223.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,128.20 : 1,654,495.02 = 293,517 : x
  2. Step 2: Convert to fraction form
    1,103,128.20/1,654,495.02 = 293,517/x
  3. Step 3: Cross multiply
    1,103,128.20x = 1,654,495.02 × 293,517
  4. Step 4: Simplify right side
    1,103,128.20x = 485,622,414,785.34
  5. Step 5: Solve for x
    x = 485,622,414,785.34/1,103,128.20
  6. Step 6: Final answer
    x = 440,223.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.